Synonyms for pacemaker

Noun

1. pacesetter, pacemaker, exemplar, example, model, good example
usage: a leading instance in its field; "the new policy will be a pacesetter in community relations"
2. pacemaker, cardiac pacemaker, sinoatrial node, SA node, cardiac muscle, heart muscle
usage: a specialized bit of heart tissue that controls the heartbeat
3. pacemaker, artificial pacemaker, electronic device
usage: an implanted electronic device that takes over the function of the natural cardiac pacemaker
4. pacer, pacemaker, pacesetter, racehorse, race horse, bangtail
usage: a horse used to set the pace in racing
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